It seems that fitness watches are all the rage lately. We found one to review that is a little different from the others, though. This is the Matrix PowerWatch X. This smartwatch is unique in that it is the first in the world to be powered by the heat of your body. That's right. You don't have to charge your fitness tracker. This is the big selling point of the watch. Other … [Read more...] about GeekChurch Review of Matrix PowerWatch X